同步单元:人教版四年级上册,语文园地八要求:这是一篇想象作文。可以写自己的奇思妙想,也可以写受别人启发想到的内容,还可以写科幻故事。想象要丰富,内容要具体,语句要通顺。快乐导航:新的世纪充满奥秘、充满神奇。高科技给人们带来了意想不到的惊喜,如电脑、机器人造福人类,破解基因为人们治病,火箭技术实现了宇宙旅游……但它也给人类带来了负面影响,如白色污染、地球变暖、沙尘暴、土地沙漠化……可以抓住自己的所见所闻和热 Synchronization unit: PEP fourth grade, language garden eight requirements: This is an imagination composition. Can write your own whimsy, you can also write inspired by what others think, you can also write science fiction stories. Imagine to be rich, content should be specific, the statement should be fluent. Happy Navigation: The new century full of mystery, full of magic. Hi-tech has brought unexpected surprises such as computers, robots to benefit mankind, to crack genes for people to cure diseases, rocket technology to achieve the universe travel ... but it also has a negative impact on human beings, such as white pollution, Earth Warming, sandstorms, land desertification ... can catch what you see and hear and heat